Shielding shell and receiver with the shielding shell
A technology for shielding shells and receivers, applied in the fields of magnetic/electric field shielding, earpiece/earphone accessories, electrical components, etc., can solve the problems of single sound wave and simple and single structure of the receiver, and achieve the goal of suppressing high-frequency output, enriching output, and improving quality Effect
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Embodiment 1
[0031] like figure 1 As shown, as a first preferred embodiment, a shielding shell includes a bottom box 1 and a box cover 7, the box cover 7 is arranged on the top of the bottom box 1, and the inside of the bottom box 1 is provided with steps, the The bottom box 1 is divided into a bottom box front cavity 8 and a bottom box rear cavity 2 by the step, the volume of the bottom box front cavity 8 is smaller than the volume of the bottom box rear cavity 2, and the step slope forms an angle A with the horizontal plane, The angle A is 15°.
[0032] A receiver with a shielding shell, including a shielding shell, a circuit board 9 and a sound transmission mechanism, the circuit board 9 is arranged on the outer wall of the bottom box 1 , and the sound transmission mechanism is arranged inside the bottom box 1 .
[0033] The sound transmission mechanism includes a diaphragm 6, a diaphragm frame 5, a vibration conducting rod 4 and a vibration device 3, the diaphragm frame 5 is bonded to...
Embodiment 2
[0036] like figure 2 As shown, as the second preferred embodiment, the rest is the same as Embodiment 1, except that 18 through holes 10 are evenly opened on the diaphragm 6, and the through holes 10 are circular.
[0037] In the above-mentioned embodiment 2, the diaphragm 6 is provided with a through hole 10, which can reduce the weight of the diaphragm 6 of the receiver, enhance the high-frequency output of the receiver, and increase the response bandwidth of the receiver.
Embodiment 3
[0039] like image 3 As shown, as the third preferred embodiment, the rest is the same as embodiment 1 or 2, the difference is that the circuit board 9 includes a circuit board main body 11, and terminals 12 are respectively provided at both ends of one side of the circuit board main body 11, Solder spots 13 are provided on the terminals 12 , and an opening and closing hole 15 is opened in the middle of the circuit board main body 11 , and the opening and closing hole 15 is circular.
[0040] In the above-mentioned embodiment 3, the circuit board body 11 is provided with opening and closing holes 15, which has a simple and reasonable structure, can enhance low-frequency output, enrich sound output, is more convenient, and meets the needs of people's daily life.
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